PER-TIM interactions with the photoreceptor cryptochrome mediate circadian temperature responses in Drosophila.

Abstract excerpt

Drosophila cryptochrome (CRY) is a key circadian photoreceptor that interacts with the period and timeless proteins (PER and TIM) in a light-dependent manner. We show here that a heat pulse also mediates this interaction, and heat-induced phase shifts are severely reduced in the cryptochrome loss-of-function mutant cry(b). The period mutant per(L) manifests a comparable CRY dependence and dramatically enhanced...

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